Indoor air pollutants| Atmospheric pollution| AP Environmental science| Khan Academy

2024/05/0516:19:09 home 28086

Indoor air pollutants| Atmospheric pollution| AP Environmental science| Khan Academy - DayDayNews

Indoor air pollutants| Atmospheric pollution| AP Environmental science| Khan Academy - DayDayNews

6:55

* All content videos are shared, reposted and embedded from YouTube. If there is any violation or error, please contact us to delete it.

home

The development of science and technology has brought about a smart lifestyle. As an important physical and ecological component of smart homes, smart door locks have gradually entered the general consumer market and become a new tool for people to protect their doors. There are - DayDayNews

The development of science and technology has brought about a smart lifestyle. As an important physical and ecological component of smart homes, smart door locks have gradually entered the general consumer market and become a new tool for people to protect their doors. There are

Omega丨Ingenious work and classic inheritance, take you to understand the new fashion of intelligent visualization

05/22 1948

Waterproof casing is a pipe fitting used to protect pipes that pass through walls from damage. Its sealing mainly relies on sealing rings, which play a vital role in the production process of waterproof casing. Check the rubber sealing ring of the waterproof casing before use to - DayDayNews

Waterproof casing is a pipe fitting used to protect pipes that pass through walls from damage. Its sealing mainly relies on sealing rings, which play a vital role in the production process of waterproof casing. Check the rubber sealing ring of the waterproof casing before use to

What is the impact of canceling the ordinary spring sealing ring in the waterproof casing sealing ring?

05/22 1330

The case shared today comes from Chongqing. It is a fan’s new home with a construction area of 96 square meters, 2+1 bedrooms, 2 living rooms and 2 bathrooms. Through the renovation and optimization of the house type, the space feels like 96 square meters becomes 120 square met - DayDayNews

The case shared today comes from Chongqing. It is a fan’s new home with a construction area of 96 square meters, 2+1 bedrooms, 2 living rooms and 2 bathrooms. Through the renovation and optimization of the house type, the space feels like 96 square meters becomes 120 square met

Make full use of space, convert 96 square meters into 120 square meters in seconds, and share apartment optimization cases

05/22 1651

If the roses are not resistant to sunlight, you can only see spring flowers and autumn flowers. If it rains non-stop in spring and autumn, you will only be able to see them lonely for a year. Really, roses are not tolerant to the sun, so it is better not to raise them. The sun re - DayDayNews

If the roses are not resistant to sunlight, you can only see spring flowers and autumn flowers. If it rains non-stop in spring and autumn, you will only be able to see them lonely for a year. Really, roses are not tolerant to the sun, so it is better not to raise them. The sun re

Inventory of heat resistance levels of roses

05/23 1700

Text | Popular science: In the hot summer, holding a watermelon and eating it in an air-conditioned room is the life that many people dream of. However, not everyone is accustomed to using air conditioners, and they even think that using them for a long time will cause "air condi - DayDayNews

Text | Popular science: In the hot summer, holding a watermelon and eating it in an air-conditioned room is the life that many people dream of. However, not everyone is accustomed to using air conditioners, and they even think that using them for a long time will cause "air condi

Which way is the coolest way for an electric fan to blow? Is it blowing toward the window or directly? It turns out that many people use it wrongly

05/23 1568

The kitchen space is an important cooking area in our new home. In order to improve the utilization of the overall kitchen space, many friends like to design the interior with full-ceiling high cabinets. This will not only increase the kitchen storage space, but also make the ent - DayDayNews

The kitchen space is an important cooking area in our new home. In order to improve the utilization of the overall kitchen space, many friends like to design the interior with full-ceiling high cabinets. This will not only increase the kitchen storage space, but also make the ent

Harbin Mingque Decoration Is the design of high cabinets in the kitchen useless? It smells so good after being installed

05/22 1965

White radish seedlings can be transplanted, but you must choose the right time and master the appropriate transplanting method, otherwise the survival rate of transplantation will be reduced. The specific transplanting method: When the seedlings grow 2 cotyledons, they can be tra - DayDayNews

White radish seedlings can be transplanted, but you must choose the right time and master the appropriate transplanting method, otherwise the survival rate of transplantation will be reduced. The specific transplanting method: When the seedlings grow 2 cotyledons, they can be tra

When transplanting white radish seedlings, pay attention to these 4 points to easily increase the survival rate of transplanting.

05/22 1379

In the era of social media, there is no shortage of Internet celebrities. Liu Genghong in April, Cyndi Wang in May, Dong Yuhui of New Oriental in June... I don’t know who will usher in the next wave of hits in July. Although Internet celebrities have astonishing traffic, they hav - DayDayNews

In the era of social media, there is no shortage of Internet celebrities. Liu Genghong in April, Cyndi Wang in May, Dong Yuhui of New Oriental in June... I don’t know who will usher in the next wave of hits in July. Although Internet celebrities have astonishing traffic, they hav

Is it a trap or a treasure? How far can internet celebrity small appliances go?

05/23 1823

There is air conditioning in the summer, but mosquitoes are very annoying. If you don't pay attention, you will be covered in bites overnight, which is annoying! Although the house on the first floor is cheap, I personally do not recommend buying it due to the factors of humidity - DayDayNews

There is air conditioning in the summer, but mosquitoes are very annoying. If you don't pay attention, you will be covered in bites overnight, which is annoying! Although the house on the first floor is cheap, I personally do not recommend buying it due to the factors of humidity

It’s important to choose the style of window screens in summer. If you don’t pay attention, you may get stung all over your body overnight.

05/22 1844

With the advancement of technology, from single products to integration, from systems to scenarios, the development of smart homes has entered a new era. IDC predicts that China's smart home device market shipments will continue to grow at a compound growth rate of 21.4% in the n - DayDayNews

With the advancement of technology, from single products to integration, from systems to scenarios, the development of smart homes has entered a new era. IDC predicts that China's smart home device market shipments will continue to grow at a compound growth rate of 21.4% in the n

Huawei releases a new generation of whole-house intelligence. The interactive revolution will be a milestone in the history of whole-house intelligence development.

05/22 1348

With the popularity of people looking for things online, many people think that they can find the correct information. Sorry, this may be a misunderstanding. Many marketing articles and inappropriate recommendations will make you spend a lot of time comparing, and you will still - DayDayNews

With the popularity of people looking for things online, many people think that they can find the correct information. Sorry, this may be a misunderstanding. Many marketing articles and inappropriate recommendations will make you spend a lot of time comparing, and you will still

5 Best Slicing Knives for 2022

05/24 1532

Bing Xin once said: "People often admire the beauty of the flower of success when it appears. However, at the beginning, its buds were soaked in the tears of struggle and sprinkled with the blood of sacrifice." Choose to work hard and be firm in life. Move forward with faith and - DayDayNews

Bing Xin once said: "People often admire the beauty of the flower of success when it appears. However, at the beginning, its buds were soaked in the tears of struggle and sprinkled with the blood of sacrifice." Choose to work hard and be firm in life. Move forward with faith and

admire! A couple in Jiangxi bought a house in a school district but did not decorate it. Their children lived in the rough house for three years and were admitted to Peking University.

05/24 1832

If you like tropical plants, be sure not to miss Justicia brandegeana (scientific name: Justicia brandegeana). It is a small tropical shrub. The bracts of the flowers are segmented, and the shape of the flower is curved as a whole, like a cooked shrimp. - DayDayNews

If you like tropical plants, be sure not to miss Justicia brandegeana (scientific name: Justicia brandegeana). It is a small tropical shrub. The bracts of the flowers are segmented, and the shape of the flower is curved as a whole, like a cooked shrimp.

Shrimp flower, the flowers look like cooked shrimps. It is a very worry-free plant with very few pests and diseases when grown in pots.

05/24 1699

Decoration is not a pile of materials, but a combination of lifestyle and aesthetics. It should not only look good, but also conform to your own living habits. This case illustrates this point. The 99-square-meter home of a Chengdu couple breaks away from style restrictions and c - DayDayNews

Decoration is not a pile of materials, but a combination of lifestyle and aesthetics. It should not only look good, but also conform to your own living habits. This case illustrates this point. The 99-square-meter home of a Chengdu couple breaks away from style restrictions and c

The 99-square-meter home of a couple in Chengdu is called a high-end home. It is bright and spacious. It will be decorated accordingly in the future.

05/24 1916

If you have a small yard at home, be sure to raise some perennial garden plants. They can be grown into pots and become more charming when planted in a small area to decorate a flower border. Here we will introduce several flowering plants that like sun and semi-shade. . 1. Babao - DayDayNews

If you have a small yard at home, be sure to raise some perennial garden plants. They can be grown into pots and become more charming when planted in a small area to decorate a flower border. Here we will introduce several flowering plants that like sun and semi-shade. . 1. Babao

7 kinds of flowering plants suitable for planting in the courtyard. They are durable and have many flowers in summer and autumn.

05/24 1308

When you own a new house of your own, you have to put some thought into decorating it. To be honest, the decoration is really tiring. However, after the new house is decorated, especially after the furniture comes in, it makes you want to move in. This is the charm of home. - DayDayNews

When you own a new house of your own, you have to put some thought into decorating it. To be honest, the decoration is really tiring. However, after the new house is decorated, especially after the furniture comes in, it makes you want to move in. This is the charm of home.

It was my first time to renovate a new house. It took 5 months to complete. The furniture and appliances were arranged and arranged. Let me share them.

05/24 1408

This year marks the 101st anniversary of the founding of the Communist Party of China. The Liannan Commission for Discipline Inspection and the Supervisory Committee recently carried out pairing activities with the general party branch of Yaolong Village, Guoshui Town to celebrat - DayDayNews

This year marks the 101st anniversary of the founding of the Communist Party of China. The Liannan Commission for Discipline Inspection and the Supervisory Committee recently carried out pairing activities with the general party branch of Yaolong Village, Guoshui Town to celebrat

Working together in pairs, the Liannan Commission for Discipline Inspection and Supervision are united to build a strong fortress

05/24 1541

The Angolan president admitted on June 28 in Lisbon that “it is almost impossible to recover 100% of embezzled public funds, but said that he will continue to work in this direction.” © Photo: CIPRA Joao Lourenco also said that he In 1945, he accomplished something that had not b - DayDayNews

The Angolan president admitted on June 28 in Lisbon that “it is almost impossible to recover 100% of embezzled public funds, but said that he will continue to work in this direction.” © Photo: CIPRA Joao Lourenco also said that he In 1945, he accomplished something that had not b

Angolan president admits it is impossible to recover 100% of embezzled funds

05/24 1827

There is a sentence in the movie "The Grandmaster": "Those who practice martial arts have three realms: see themselves, see the world, and see all living beings." In fact, a person's cultivation also has such three "states": see yourself, observe your original mind, and The more - DayDayNews

There is a sentence in the movie "The Grandmaster": "Those who practice martial arts have three realms: see themselves, see the world, and see all living beings." In fact, a person's cultivation also has such three "states": see yourself, observe your original mind, and The more

Night Reading丨People who have seen the world have a small temper

05/24 1141

Education is a person's moral cultivation reflected in his behavior. In life, we think that those who are polite, modest, steady, and enthusiastic about helping others are educated people. This is more or less affected by the first impression, "A stranger is like jade, and a youn - DayDayNews

Education is a person's moral cultivation reflected in his behavior. In life, we think that those who are polite, modest, steady, and enthusiastic about helping others are educated people. This is more or less affected by the first impression, "A stranger is like jade, and a youn

A man's upbringing can be seen from his family relationships

05/24 1386

Question: How can I receive articles like this every day? Answer: Just click "Follow" in the upper right corner. Retirement is a time to start a new life. If you can have as little contact with your former colleagues as possible, the most ideal state is no contact at all. Ms. A, - DayDayNews

Question: How can I receive articles like this every day? Answer: Just click "Follow" in the upper right corner. Retirement is a time to start a new life. If you can have as little contact with your former colleagues as possible, the most ideal state is no contact at all. Ms. A,

After retirement, why should you stop interacting with your former colleagues? 3 people who have been there have spoken out their innermost thoughts.

05/24 1431

Speaking of the event that everyone is looking forward to during this period, it is naturally Huya’s Kung Fu Carnival. In the previous years, this event has brought everyone a lot of joy every time, and this time will definitely be no exception. Two days ago The official also ann - DayDayNews

Speaking of the event that everyone is looking forward to during this period, it is naturally Huya’s Kung Fu Carnival. In the previous years, this event has brought everyone a lot of joy every time, and this time will definitely be no exception. Two days ago The official also ann

Tong Jincheng asked Jae Suk about the boxing match, but the other party said that he would take a photo together as a thought.

05/24 1089